20429265

素因数分解:

$3^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1321}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 32743296

約数和(自身を除く): 12314031

約数列:

[1, 3, 5, 15, 1031, 1321, 3093, 3963, 5155, 6605, 15465, 19815, 1361951, 4085853, 6809755, 20429265]

約数ペア:

[(1, 20429265), (3, 6809755), (5, 4085853), (15, 1361951), (1031, 19815), (1321, 15465), (3093, 6605), (3963, 5155)]